Hydration of sodium cobalt oxide

Hiroya Sakurai; Minoru Osada; Eiji Takayama-Muromachi

doi:10.1021/cm0714786

Hydration of sodium cobalt oxide

Hiroya Sakurai^*, Minoru Osada, Eiji Takayama-Muromachi

^*この研究の対応する著者

研究成果: Article › 査読

9 被引用数 (Scopus)

抄録

It was found that Na⁺ ions in Na_xCoO₂ can be partially substituted by H₃O⁺ ions while maintaining a constant Co valence simply by immersion in water. The magnetic susceptibility of Na_x(H₃O)_zCoO₂ (x + Z = 0.70) changed drastically from Curie-Weiss type to Pauli paramagnetic type, indicating that the electronic band structure was modified by the isovalent ion substitution of Na⁺/H₃O⁺. Two possible origins of the change in the electronic structure are discussed.

本文言語	English
ページ（範囲）	6073-6076
ページ数	4
ジャーナル	Chemistry of Materials
巻	19
号	25
DOI	https://doi.org/10.1021/cm0714786
出版ステータス	Published - 2007 12月 11
外部発表	はい

ASJC Scopus subject areas

材料科学（全般）
材料化学

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title = "Hydration of sodium cobalt oxide",

abstract = "It was found that Na+ ions in NaxCoO2 can be partially substituted by H3O+ ions while maintaining a constant Co valence simply by immersion in water. The magnetic susceptibility of Nax(H3O)zCoO2 (x + Z = 0.70) changed drastically from Curie-Weiss type to Pauli paramagnetic type, indicating that the electronic band structure was modified by the isovalent ion substitution of Na+/H3O+. Two possible origins of the change in the electronic structure are discussed.",

author = "Hiroya Sakurai and Minoru Osada and Eiji Takayama-Muromachi",

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AU - Sakurai, Hiroya

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AU - Takayama-Muromachi, Eiji

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N2 - It was found that Na+ ions in NaxCoO2 can be partially substituted by H3O+ ions while maintaining a constant Co valence simply by immersion in water. The magnetic susceptibility of Nax(H3O)zCoO2 (x + Z = 0.70) changed drastically from Curie-Weiss type to Pauli paramagnetic type, indicating that the electronic band structure was modified by the isovalent ion substitution of Na+/H3O+. Two possible origins of the change in the electronic structure are discussed.

AB - It was found that Na+ ions in NaxCoO2 can be partially substituted by H3O+ ions while maintaining a constant Co valence simply by immersion in water. The magnetic susceptibility of Nax(H3O)zCoO2 (x + Z = 0.70) changed drastically from Curie-Weiss type to Pauli paramagnetic type, indicating that the electronic band structure was modified by the isovalent ion substitution of Na+/H3O+. Two possible origins of the change in the electronic structure are discussed.

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Hydration of sodium cobalt oxide

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